Many of Jio Users wants to cast JioTV app, and are getting Message like "Casting not available on this TV Channel".
So here is a modded app which supports Miracast and also works on other Networks.
Firstly uninstall any JioTV apk and then install one of the provided apk as Normal apk.
One of them will most probably work for you.
No Xposed or Root Needed.
Enjoy watching JioTV.
To watch Star Channels, use this link
This app is only to be used on a Smartphone, and not on Android TV or Android Box.
If it does work on them, then maybe its your luck.